<template>
  <van-popup
    :value="$store.state.channel.isShowPopup"
    @click-close-icon="$store.commit('channel/hidePopup')"
    closeable
    position="left"
    @closed="isEdit = false"
  >
    <div class="article-channel">
      <div class="head">
        <h3>我的频道<small>点击进入频道</small></h3>
        <a
          href="javascript:;"
          class="edit"
          :class="{ active: isEdit }"
          @click="isEdit = !isEdit"
        >
          {{ isEdit ? '完成' : '编辑' }}
        </a>
      </div>
      <div class="body">
        <a
          href="javascript:;"
          v-for="item in $store.state.channel.myChannels"
          :key="item.id"
          :class="{ active: $store.state.channel.activeChannelId === item.id }"
          @click="changeActiveChannel(item.id)"
        >
          {{ item.name }}
          <i
            v-show="
              isEdit &&
              item.id !== 0 &&
              item.id !== $store.state.channel.activeChannelId
            "
            class="iconfont icon-tag-close"
            @click.stop="delMyChannel(item.id)"
          ></i>
        </a>
      </div>
      <div class="head" style="margin-top: 12px">
        <h3>频道推荐</h3>
      </div>
      <div class="body">
        <a
          href="javascript:;"
          v-for="item in $store.getters['channel/optionalChannels']"
          :key="item.id"
          @click="addMyChannel(item)"
        >+ {{ item.name }}</a>
      </div>
    </div>
  </van-popup>
</template>

<script>
export default {
  name: 'ArticleChannelPopup',
  data () {
    return {
      // 是否编辑
      isEdit: false
    }
  },
  async created () {
    const [err] = await this.$store.dispatch('channel/loadAllChannels')
    if (err) return this.$toast.fail('获取所有频道失败')
  },
  methods: {
    async delMyChannel (id) {
      const [err] = await this.$store.dispatch('channel/delMyChannel', id)
      if (err) this.$toast.fail('删除失败，请重试')
    },
    async addMyChannel (item) {
      const [err] = await this.$store.dispatch('channel/addMyChannel', item)
      if (err) this.$toast.fail('添加失败，请重试')
    },
    changeActiveChannel (id) {
      this.$store.commit('channel/setActiveChannelId', id)
      this.$store.commit('channel/hidePopup')
    }
  }
}
</script>

<style scoped lang="less">
.van-popup {
  width: 100%;
  height: 100%;
  ::v-deep .van-popup__close-icon {
    font-size: 20px;
    right: 12px;
    top: 12px;
  }
}
.article-channel {
  margin-top: 44px;
  .head {
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    justify-items: center;
    padding-bottom: 12px;
    h3 {
      font-size: 16px;
      color: #333;
      margin: 0;
      small {
        font-size: 12px;
        color: #999;
        margin-left: 10px;
      }
    }
    .edit {
      float: right;
      height: 22px;
      width: 52px;
      line-height: 22px;
      text-align: center;
      color: #de644b;
      border-radius: 11px;
      border: 1px solid #de644b;
      font-size: 12px;
      &.active {
        color: #fff;
        background: #de644b;
      }
    }
  }
  .body {
    padding: 0 6px 0 16px;
    a {
      position: relative;
      .icon-tag-close {
        position: absolute;
        top: -5px;
        right: -5px;
        line-height: 1;
      }
      display: inline-block;
      padding: 0 8px;
      font-size: 14px;
      color: #3a3948;
      background: #f7f8fa;
      height: 36px;
      line-height: 36px;
      min-width: 78px;
      margin-right: 10px;
      margin-bottom: 12px;
      border-radius: 18px;
      text-align: center;
      &.active {
        color: @geek-color;
      }
    }
  }
}
</style>
